The Internet Explorer window is not available.
Microsoft.VisualStudio.TestTools.UITest.Extension.UITestControlNotAvailableException
at Microsoft.VisualStudio.TestTools.UITest.Extension.IE.IEWebControlElement.EnsureValidTopWindow()
at Microsoft.VisualStudio.TestTools.UITest.Extension.IE.BrowserHtmlNode.EnsureValid()
at Microsoft.VisualStudio.TestTools.UITest.Extension.IE.BrowserHtmlNode.get_QueryId()
at Microsoft.VisualStudio.TestTools.UITest.Common.UIMap.UIMapUtil.FillPropertyFromUIElement(UIObject obj, IUITechnologyElement element)
at Microsoft.VisualStudio.TestTools.UITest.Common.UIMap.UIMapUtil.FromUIElement(IUITechnologyElement element, UIObject obj)
at Microsoft.VisualStudio.TestTools.UITest.Common.UIMap.UIMapUtil.FromUIElement(IUITechnologyElement element)
at Microsoft.VisualStudio.TestTools.UITesting.Playback.GetUITestControlString(UITestControl control)
at Microsoft.VisualStudio.TestTools.UITesting.Playback.MapAndThrowComException(COMException innerException, IPlaybackContext context)
at Microsoft.VisualStudio.TestTools.UITesting.Playback.MapAndThrowException(SystemException exception, IPlaybackContext context)
at Microsoft.VisualStudio.TestTools.UITesting.Playback.MapAndThrowException(SystemException exception, String actionName, UITestControl uiControl)
at Microsoft.VisualStudio.TestTools.UITesting.Playback.MapAndThrowException(SystemException exception, String actionName, Object parameterValue, UITestControl uiControl)
at Microsoft.VisualStudio.TestTools.UITesting.UITestControl.SetPropertyValue(String propertyName, Object propertyValue)
at Microsoft.VisualStudio.TestTools.UITesting.UITestControl.SetPropertyPrivate(String propertyName, Object value)
at Microsoft.VisualStudio.TestTools.UITesting.UITestControl+<>c__DisplayClass41.<SetProperty>b__40()
at Microsoft.VisualStudio.TestTools.UITesting.CodedUITestMethodInvoker.InvokeMethod(Func`1 function, UITestControl control, Boolean firePlaybackErrorEvent, Boolean logAsAction)
at Microsoft.VisualStudio.TestTools.UITesting.UITestControl.SetProperty(String propertyName, Object value)
at Microsoft.VisualStudio.TestTools.UITesting.HtmlControls.HtmlEdit.set_Text(String value)
at
RDT.CodedUITest1.
AddRdt()in e:\F# programs\Gmail\CodedUITestProject1\RDT\CodedUITest1.cs:line 59